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eoptasks - run commands on servers
==================================
This script provides parallel remote execution of commands, while having
some special knownledge of servers that should *not* be handled in parallel.
It defers terminal-handling to tmux(1).
It has some targeting capacities using keywords. Commas for 'OR' and slashes
for 'AND', ex: ext/test,saas/test/passerelle will select all external test
servers + all passerelle servers on the SaaS.
It takes any shell command and has some builtin shortcuts such as apt.update
and apt.upgrade.
Requirements: libtmux and pyyaml.
Configuration
-------------
In ~/.config/eoptasks.ini::
[config]
servers = /path/to/servers.yaml
ignore = server1, server2
stripsuffix = .entrouvert.org
It is possible to add extra command shortcuts with additional sections, ex::
[command:memcached.restart]
cmd = sudo service memcached restart; /bin/true
It is also possible to declare additional servers, in a [servers] section, ex::
[servers]
host.domain = keyword1, keyword2
Examples
--------
eoptasks -k test apt.upgrade
Run (sudo) apt upgrade on all test servers.
eoptasks -k test,-database sudo apt install python-gadjo
Run sudo apt install python-gadjo on all test servers except database servers.
eoptasks -k saas/test/passerelle,ext/test --list-servers
List servers that have saas AND test AND passerelle keywords, OR the
ext AND test keywords.
eoptasks -k saas/prod -x ^node,^database.node,.*docbow sudo apt install publik-base-theme
Install/upgrade publik-base-theme on all production server of the SaaS excepted
the hypervisor, database, and docbow nodes.
Code Style
----------
black is used to format the code, using thoses parameters:
black --target-version py37 --skip-string-normalization --line-length 110
There is .pre-commit-config.yaml to use pre-commit to automatically run black
before commits. (execute `pre-commit install` to install the git hook.)
License
-------
This program is free software: you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU Affero General Public License for more
details.
You should have received a copy of the GNU Affero General Public License along
with this program. If not, see <https://www.gnu.org/licenses/>.
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